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- Title
Equatorial Ionospheric Disturbance Field‐Aligned Plasma Drifts Observed by C/NOFS.
- Authors
Zhang, Ruilong; Liu, Libo; Balan, N.; Le, Huijun; Chen, Yiding; Zhao, Biqiang
- Abstract
Abstract: Using C/NOFS satellite observations, this paper studies the disturbance field‐aligned plasma drifts in the equatorial topside ionosphere during eight geomagnetic storms in 2011–2015. During all six storms occurred in the solstices, the disturbance field‐aligned plasma drift is from winter to summer hemisphere especially in the morning‐midnight local time sector and the disturbance is stronger in June solstice. The two storms occurred at equinoxes have very little effect on the field‐aligned plasma drift. Using the plasma temperature data from DMSP satellites and Global Positioning System‐total electron content, it is suggested that the plasma density gradient seems likely to cause the disturbance winter‐to‐summer plasma drift while the role of plasma temperature gradient is opposite to the observed plasma drift.
- Publication
Journal of Geophysical Research. Space Physics, 2018, Vol 123, Issue 5, p4192
- ISSN
2169-9380
- Publication type
Article
- DOI
10.1029/2018JA025273